Contents

class ImmutableValidator < ActiveModel::EachValidator
  def validate_each(record, attribute, _value)
    return if record.new_record?
    return unless record.public_send("#{attribute}_changed?")
    record.errors.add(attribute, options[:message] || :immutable)
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
activemodel-immutable_validator-0.0.2	lib/immutable_validator.rb
activemodel-immutable_validator-0.0.1	lib/immutable_validator.rb